i know this is 6 months later, but for future reference, the item code for money spawning is It_Gold, with a capital I (NOT a lower case L), and it is case sensitive.
Another thing to mention about the console is that in some versions (at least mine anyway, which is the steam version), some characters are swapped. So for instance you type the letter Y and instead you get the letter Z, and the same for underscore (_) and question mark (?).
If you get this, try typing the letter that appears, rather than what it is supposed to be, and that should work.
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